diff --git a/dockerfile b/dockerfile
index 1da3ee5..f1c4eb5 100644
--- a/dockerfile
+++ b/dockerfile
@@ -62,7 +62,7 @@ RUN set -ex; \
     apt-get install -y --no-install-recommends $fetchDeps; \
     \
     curl -fsSL -o nextcloud.tar.bz2 \
-        "https://download.nextcloud.com/server/releases/nextcloud-22.2.0.zip"; \
+        "https://download.nextcloud.com/server/releases/nextcloud-22.2.0.tar.bz2"; \
     curl -fsSL -o nextcloud.tar.bz2.asc \
         "%%BASE_DOWNLOAD_URL%%/nextcloud-${NEXTCLOUD_VERSION}.tar.bz2.asc"; \
     export GNUPGHOME="$(mktemp -d)"; \